5611201050

Series:	561
Packaging:	Bulk
Lead Free Status / RoHS Status:	--
Part Status:	Obsolete
Moisture Sensitivity Level (MSL):	--
Color:	Yellow
Wavelength - Peak:	583nm
Configuration:	Single
Current:	2mA
Millicandela Rating:	1.8mcd
Viewing Angle:	50°
Lens Type:	Diffused
Lens Style/Size:	Round with Domed Top, 5mm (T-1 3/4)
Voltage Rating:	1.9V
Mounting Type:	Through Hole

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LEDs - Circuit Board Indicators, Arrays, Light Bars, Bar Graphs

Light-emitting diodes or LEDs for short, are a type of semiconductor device composed of a p-n junction and a material that produces visible light when current passes through it. As one of the most commonly used components on circuit boards, LEDs are widely used in a variety of applications and have become the prime candidate for replacing traditional incandescent lighting solutions. By understanding the operation and application of LEDs, it is possible to utilize them in circuit boards and electronic equipment for a variety of different purposes.

The Working Principle of LEDs

Before looking at the specific details of a LED\'s application field and working principle, it is important to understand the basics of LED technology. LEDs produce light in a process called electroluminescence. This involves the injection of electrons across the p-n junction of an LED, which results in a combination of photons and electrons being released, producing light. There are two different types of LED - the red LED and the infrared LED. The red LED produces light in the visible spectrum while the infrared LED emits light that is not visible to the human eye.

The Application Field of LEDs

LEDs have a wide range of applications and are used for many different purposes. They are often used for signal and indicator lighting on switches and circuit boards, indicating power loss or signal strength. LED light arrays are also used for display purposes, and can be used to display numerical information, such as on digital clocks or thermometers. LEDs are also used for a variety of decorative purposes, and are often used in decorative lighting displays or holiday lighting. LEDs are also used as optical indicators in battery-powered devices, such as flashlights. LEDs are also commonly used as light sources in automotive and aerospace applications, as well as for medical purposes.

The Working Principle of LEDs on Circuit Boards

When using LEDs on a circuit board, the basic components of the LED must be connected to the correct parts of the circuit. This typically involves connecting the anode and cathode of the LED to the power source and ground, respectively. The power source can be either a battery, a voltage regulator, or a transformer. When current passes through the LED, it will begin to glow, with the intensity of the light being dependent on the current passing through the LED.

Conclusion

LEDs are used in a wide range of applications, from communications to lighting and decorative purposes. By understanding the working principle and the application fields of LEDs, it is possible to utilize them on a circuit board in order to take advantage of the numerous advantages provided by LEDs. LEDs are durable, efficient, and can be used for a variety of different purposes, making them an ideal choice for circuit boards and electronic equipment.

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